| <!-- |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../js/js-test-pre.js"></script> |
| <script src="../../js/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| |
| <script> |
| "use strict"; |
| description("Test ARRAY_BUFFER deletion when a vertex attrib array with location != 0 is pointing to it and preserveDrawingBuffer is true."); |
| |
| var canvas = document.createElement('canvas'); |
| document.body.appendChild(canvas); |
| |
| canvas.addEventListener( |
| "webglcontextlost", |
| function(event) { |
| testFailed("Context lost"); |
| event.preventDefault(); |
| }, |
| false); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext(canvas, {preserveDrawingBuffer: true}); |
| |
| if (!gl) { |
| testFailed("context does not exist"); |
| finishTest(); |
| } else { |
| var array = new Float32Array([0]); |
| var buf = gl.createBuffer(); |
| gl.bindBuffer(gl.ARRAY_BUFFER, buf); |
| gl.bufferData(gl.ARRAY_BUFFER, array, gl.STATIC_DRAW); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR); |
| |
| var attribLocation = 1; |
| gl.enableVertexAttribArray(attribLocation); |
| gl.vertexAttribPointer(attribLocation, 1, gl.FLOAT, false, 0, 0); |
| |
| gl.deleteBuffer(buf); |
| |
| setTimeout(function() { |
| // Wait for possible context loss |
| finishTest(); |
| }, 2000); |
| } |
| |
| var successfullyParsed = true; |
| </script> |
| |
| </body> |
| </html> |